{ INFORMATICS.MCCME.RU
  Problem statement: http://informatics.mccme.ru/moodle/mod/statements/view3.php?chapterid=3062
  Verdict: Accepted
}
uses SysUtils, Math;
 
var
	ans,x,y:longint;
	i:double;
 
begin
reset(input,'input.txt');
rewrite(output,'output.txt');
read(x,y);
i:=x;
ans:=1;
while i<y do begin
	i:=i*1.1;
	inc(ans);
end;
write(ans);
end.